Refer to the Graph

question 18

Multiple Choice

Refer to the graph.In this experiment, the same fish were caught and brought into the lab in both winter and summer.Their metabolic rates (O₂ consumption) were measured at the pond temperatures for each season () and at other temperatures () . This experiment demonstrates the phenomenon of

• A) homeostasis.
• B) acclimatization.
• C) declimatization.
• D) negative feedback.
• E) positive feedback.

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Definitions:

Primitive Duct Structures

Initial embryonic tubes which will later develop into various organs and systems in the body.

Wolffian

Referring to the embryonic duct system that, if stimulated by male hormones, develops into the male reproductive organs.

Mullerian

Pertaining to structures derived from the Müllerian ducts in the embryonic development of mammals, including the fallopian tubes, uterus, and part of the vagina in females.

Gonads

The primary reproductive organs, ovaries in females and testes in males, that produce gametes (sex cells) and sex hormones.